Diego Alonso Serna Lopera (born October 2, 1973) is a Colombian football player who last played for Miami Dade FC.
Serna began his career in his native Colombia with Cortuluá and Independiente Medellín, before moving to MLS with the expansion Fusion in 1998.
He went back to Colombia to Atlético Nacional and Independiente Medellín, before returning to MLS in the middle of the 2003 season for a stint with the Los Angeles Galaxy, scoring three goals in ten games.
After spending some time playing in his native Colombia with Once Caldas and Deportes Quindío, Serna returned to MLS with the Colorado Rapids in August 2005.
In 2009, he returned to Florida, signing with Miami FC[1] scoring a goal, and providing two assists, ensuring a victory in his homecoming game.